Raychem Corporation
300 Constitution Drive
Menlo Park, CA 94025
800-227-4856
FAX 800-227-4866
R
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: microSMD075
DOCUMENT: SCD 24403
PCN: 448359
REV LETTER: D
REV DATE: FEBRUARY 26, 2000
PAGE NO.: 1 OF 1
Specification Status: Released
Maximum Electrical Rating
Voltage: 6V
DC
Current: 40A
Notes:
1. All terminations are tin/lead plated.
2. Devices can be wave soldered.
3. Drawing not to scale
Marking:
TABLE I. DIMENSIONS:
A
MIN
mm: 3.00
in:* 0.118
MAX
3.43
0.135
MIN
2.35
0.092
B
MAX
2.80
0.111
MIN
0.38
0.015
C
MAX
0.62
0.025
D
MIN
0.25
0.010
E
MIN
0.20
0.008
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
IHOLD **
CURRENT TRIP LIMITS**
RATED
CURRENT
AMPERES AMPERES
AMPERES
AMPERES
AT 20°C
AT -40°C
AT 20°C
AT 60°C
HOLD
HOLD TRIP HOLD TRIP HOLD TRIP
0.75
1.10 2.20 0.75
1.50 0.55 1.10
TIME TO
TRIP **
SECONDS
AT 20°C, 5A
MAX
0.5
SECONDS
AT 20°C, 8A
MAX
0.1
RESISTANCE
VALUES
TRIPPED-
STATE POWER
DISSIPATION**
OHMS
WATTS AT
AT 20°C
20°C, 6V
MIN
MAX*
MAX
0.110
0.40
0.8
*Maximum resistance is measured 1 hour after reflow.
** Values specified were determined using PCB’s with 0.030”X1.5 ounce copper traces.
Reference Documents:
Precedence:
Effectivity:
CAUTION:
PS300, E. N. SMD1.0x
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
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